wouldnt there be some water made in the combustion chamber, with 3 h and 2 o in a nitro molecule and the o from the air ill bet a LOT of water is made, and blow by past the ring, might put LOTS of water in the crankcase , sometime back i asked this Q, " does a reg engine, gasoline, make a gal of water for each gal of gasoline burned". some one on this site said its all most a gal, for a gal. so nitro might do the same. just my idea